---- Do you know where the manager lives?

---- Yeah, but I have to _____________ the telephone book for his address.

A．search

B．consult

C．request

D．examine

患儿3岁，患法洛四联症，拟行矫治术，术前心功能Ⅲ级。

术前预防该患儿发绀性缺氧危象，不正确的是()

A．普萘洛尔能防止漏斗部痉挛

B．普萘洛尔治疗后诱导更平稳

C．普萘洛尔治疗后，诱导时易引起心脏停搏

D．普萘洛尔应在术前24小时停药

E．手术室后发生危象，可给美托洛尔0.5～1mg